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Editorial Team
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Asked: 2026-06-12T02:44:16+00:00

Is there any function to check if a column in a group contains a

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Is there any function to check if a column in a group contains a NULL, alternatively how would I solve this? Example below of data structure.

id | value
----------
1  | NULL
1  | 56
2  | 98
2  | 14

Result:

id | value
----------
1  | 1
2  | 0
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1 Answer

  1. Editorial Team

    try

    select id, 
       count(*) - count(value) as null_value_count
from your_table
group by id

    SQLFiddle demo

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